var app = getApp();
Page({
    data: {
        winHeight: "",//窗口高度
        currentTab: 0, //预设当前项的值
        scrollLeft: 0, //tab标题的滚动条位置
        expertList: [{ //假数据
            img: "avatar.png",
            name: "欢顔",
            tag: "知名情感博主",
            answer: 134,
            listen: 2234
        }]
    },
    // 滚动切换标签样式
    switchTab: function (e) {
        this.setData({
            currentTab: e.detail.current
        });
        this.checkCor();
    },
    // 点击标题切换当前页时改变样式
    swichNav: function (e) {
        var cur = e.target.dataset.current;
        if (this.data.currentTaB == cur) { return false; }
        else {
            this.setData({
                currentTab: cur
            })
        }
    },
    //判断当前滚动超过一屏时，设置tab标题滚动条。
    checkCor: function () {
        if (this.data.currentTab > 4) {
            this.setData({
                scrollLeft: 300
            })
        } else {
            this.setData({
                scrollLeft: 0
            })
        }
    },
    onLoad: function () {
        var that = this;
        //  高度自适应
        wx.getSystemInfo({
            success: function (res) {
                var clientHeight = res.windowHeight,
                    clientWidth = res.windowWidth,
                    rpxR = 750 / clientWidth;
                var calc = clientHeight * rpxR - 180;
                console.log(calc)
                that.setData({
                    winHeight: calc
                });
            }
        });
    },
    footerTap: app.footerTap
})